refactor cmd/config to internal

cmd/config/internal/commands/run-fns.go

@@ -0,0 +1,56 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package commands
+
+import (
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/cmd/config/internal/generateddocs/commands"
+	"sigs.k8s.io/kustomize/kyaml/runfn"
+)
+
+// GetCatRunner returns a RunFnRunner.
+func GetRunFnRunner(name string) *RunFnRunner {
+	r := &RunFnRunner{}
+	c := &cobra.Command{
+		Use:     "run DIR",
+		Aliases: []string{"run-fns"},
+		Short:   commands.RunFnsShort,
+		Long:    commands.RunFnsLong,
+		Example: commands.RunFnsExamples,
+		RunE:    r.runE,
+		Args:    cobra.ExactArgs(1),
+	}
+	fixDocs(name, c)
+	c.Flags().BoolVar(&r.IncludeSubpackages, "include-subpackages", true,
+		"also print resources from subpackages.")
+	r.Command = c
+	r.Command.Flags().BoolVar(
+		&r.DryRun, "dry-run", false, "print results to stdout")
+	r.Command.Flags().StringSliceVar(
+		&r.FnPaths, "fn-path", []string{},
+		"directories containing functions without configuration")
+	r.Command.AddCommand(XArgsCommand())
+	r.Command.AddCommand(WrapCommand())
+	return r
+}
+
+func RunFnCommand(name string) *cobra.Command {
+	return GetRunFnRunner(name).Command
+}
+
+// RunFnRunner contains the run function
+type RunFnRunner struct {
+	IncludeSubpackages bool
+	Command            *cobra.Command
+	DryRun             bool
+	FnPaths            []string
+}
+
+func (r *RunFnRunner) runE(c *cobra.Command, args []string) error {
+	rec := runfn.RunFns{Path: args[0], FunctionPaths: r.FnPaths}
+	if r.DryRun {
+		rec.Output = c.OutOrStdout()
+	}
+	return handleError(c, rec.Execute())
+}